Make sure you set your server's IP on: script.js line 1

In case you'd like to run it on Docker:
(Linux)
Open the terminal in this directory
docker build -t renxserverviewer .
docker run -p 80:80 -d renxserverviewer

Then browse to ip-of-server:80

Alternatively:
docker-compose -f "docker-compose.yml" up -d --build
To use the docker-compose file included in this git.